--- a/gfx/layers/d3d9/TextureD3D9.h
+++ b/gfx/layers/d3d9/TextureD3D9.h
@@ -12,22 +12,16 @@
 #include "mozilla/GfxMessageUtils.h"
 #include "mozilla/gfx/2D.h"
 #include "gfxWindowsPlatform.h"
 #include "d3d9.h"
 #include <vector>
 #include "DeviceManagerD3D9.h"
 
 namespace mozilla {
-namespace gfxs {
-class DrawTarget;
-}
-}
-
-namespace mozilla {
 namespace layers {
 
 class CompositorD3D9;
 
 class TextureSourceD3D9
 {
   friend class DeviceManagerD3D9;